LP3470IM5X-2.75/NOPB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	1 ms Minimum
Voltage - Threshold:	2.75V
Operating Temperature:	-40°C ~ 85°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	LP3470

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Introduction

The LP3470IM5X-2.75/NOPB is a simple yet powerful supervisor IC (Integrated Circuit) from Texas Instruments. It is a precision power-supply monitoring and protection device for 5V, 3.3V, 2.5V, 1.8V and 1.5V systems. It features an adjustable supply current limit, adjustable supervisor threshold and power-on reset delay. The superior accuracy and response time enhance system reliability. The LP3470IM5X-2.75/NOPB is designed to provide precision power-supply monitoring and protection in a variety of applications including digitizing, gaming, networking, industrial control, telecommunications and consumer products.

Overview

The LP3470IM5X-2.75/NOPB offers a wide range of features to provide precision power-supply monitoring and protection. It features an adjustable supply current limit, adjustable supervisor threshold and power-on reset delay. It also offers programmable delay for output reset with a selectable number of supervisor cycles, as well as a power-on reset and a reset valid output. The LP3470IM5X-2.75/NOPB also includes a watchdog timer for reset generation in case of fault or system failure.The output reset delay can be programmed up to 100 microseconds. The reset valid output can be set to turn on after the supervisor cycle is completed. The power-on reset delay can be selected from a range of 0.2ms to 100ms. The adjustable supervisor threshold can be programmed from 2.5V to 3.3V. The LP3470IM5X-2.75/NOPB also features a programmable time-out V18 power-on reset delay which can be programmed from 20ms to 80ms.

Application Field and Working Principle

The LP3470IM5X-2.75/NOPB is designed to provide precision power-supply monitoring and protection in a variety of applications. It is particularly well-suited for use in gaming, networking, industrial control, telecommunications and consumer products.The LP3470IM5X-2.75/NOPB is a high-precision power-supply monitoring and protection device that uses a low-sensing voltage (VCCS) to monitor the supply voltage. It also monitors the temperature of the environment or application circuit as well as the input power rail. The LP3470IM5X-2.75/NOPB compares the monitored value against the programmed supervisor threshold and will emit a reset signal if the voltage falls below the programmed supervisor threshold. This reset signal can then be used to initiate system reset or protection measures.

Conclusion

The LP3470IM5X-2.75/NOPB from Texas Instruments is a simple yet powerful supervisor IC for precision power-supply monitoring and protection. It offers an adjustable supply current limit, adjustable supervisor threshold, power-on reset delay, programmable delay for output reset, power-on reset, reset valid output and a watchdog timer for reset generation. It is designed for use in a wide range of applications such as gaming, networking, industrial control, telecommunications and consumer products. The LP3470IM5X-2.75/NOPB enables precision power-supply monitoring and protection to ensure the reliable operation of the system.

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